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104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
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/**
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* @file aes.h
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* @brief AES (Advanced Encryption Standard)
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*
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* @section License
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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* Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
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*
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* This file is part of CycloneCRYPTO Open.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* @author Oryx Embedded SARL (www.oryx-embedded.com)
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* @version 2.4.4
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**/
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#ifndef _AES_H
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#define _AES_H
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//Dependencies
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#include "core/crypto.h"
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//Application specific context
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#ifndef AES_PRIVATE_CONTEXT
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#define AES_PRIVATE_CONTEXT
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#endif
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//AES block size
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#define AES_BLOCK_SIZE 16
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//Common interface for encryption algorithms
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#define AES_CIPHER_ALGO (&aesCipherAlgo)
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//C++ guard
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief AES algorithm context
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**/
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typedef struct
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{
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uint_t nr;
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uint32_t ek[60];
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uint32_t dk[60];
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AES_PRIVATE_CONTEXT
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} AesContext;
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//AES related constants
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extern const uint8_t AES128_ECB_OID[9];
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extern const uint8_t AES128_CBC_OID[9];
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extern const uint8_t AES128_OFB_OID[9];
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extern const uint8_t AES128_CFB_OID[9];
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extern const uint8_t AES128_GCM_OID[9];
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extern const uint8_t AES128_CCM_OID[9];
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extern const uint8_t AES192_ECB_OID[9];
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extern const uint8_t AES192_CBC_OID[9];
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extern const uint8_t AES192_OFB_OID[9];
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extern const uint8_t AES192_CFB_OID[9];
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extern const uint8_t AES192_GCM_OID[9];
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extern const uint8_t AES192_CCM_OID[9];
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extern const uint8_t AES256_ECB_OID[9];
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extern const uint8_t AES256_CBC_OID[9];
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extern const uint8_t AES256_OFB_OID[9];
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extern const uint8_t AES256_CFB_OID[9];
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extern const uint8_t AES256_GCM_OID[9];
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extern const uint8_t AES256_CCM_OID[9];
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extern const CipherAlgo aesCipherAlgo;
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//AES related functions
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error_t aesInit(AesContext *context, const uint8_t *key, size_t keyLen);
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void aesEncryptBlock(AesContext *context, const uint8_t *input,
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uint8_t *output);
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void aesDecryptBlock(AesContext *context, const uint8_t *input,
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uint8_t *output);
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void aesDeinit(AesContext *context);
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//C++ guard
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#ifdef __cplusplus
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}
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#endif
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#endif
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